RU2002120386A - Method of explosive blasting in the faces of underground treatment chambers - Google Patents

Method of explosive blasting in the faces of underground treatment chambers

Info

Publication number
RU2002120386A
RU2002120386A RU2002120386/03A RU2002120386A RU2002120386A RU 2002120386 A RU2002120386 A RU 2002120386A RU 2002120386/03 A RU2002120386/03 A RU 2002120386/03A RU 2002120386 A RU2002120386 A RU 2002120386A RU 2002120386 A RU2002120386 A RU 2002120386A
Authority
RU
Russia
Prior art keywords
blasting
rows
faces
crushing
face
Prior art date
Application number
RU2002120386/03A
Other languages
Russian (ru)
Other versions
RU2225509C1 (en
Inventor
Владимир Викторович Чумаченко
Сергей Иванович Крохин
Виктор Павлович Пономарев
Роман Михайлович Рыбаков
Original Assignee
Открытое акционерное общество "Комбинат "Магнезит"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Открытое акционерное общество "Комбинат "Магнезит" filed Critical Открытое акционерное общество "Комбинат "Магнезит"
Priority to RU2002120386/03A priority Critical patent/RU2225509C1/en
Publication of RU2002120386A publication Critical patent/RU2002120386A/en
Application granted granted Critical
Publication of RU2225509C1 publication Critical patent/RU2225509C1/en

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  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)

Claims (2)

Способ взрывной отбойки в подземных очистных забоях камер, включающий дробление массива зарядами взрывчатых веществ с равномерным расположением горизонтальных шпуров рядами и в рядах, отличающийся тем, что дробление внутренней части забоя осуществляют последовательным взрыванием по диагонали групп горизонтальных шпуров, смещенных в рядах в шахматном порядке симметрично к центру забоя с формированием уступов и образованием дополнительных обнаженных поверхностей, при этом в центре забоя формируют трапециевидные врубы, образованные взрыванием горизонтальных шпуров двух смежных рядов с образованием обнаженных поверхностей, а дробление приконтурных зон забоя осуществляют порядным взрыванием равнорасположенных в них шпуров.A method of explosive blasting in underground chambers, including crushing an array of explosive charges with a uniform arrangement of horizontal holes in rows and rows, characterized in that the crushing of the inner part of the face is carried out by sequential blasting diagonally of groups of horizontal holes, staggered in rows in a staggered pattern symmetrically to the center of the face with the formation of ledges and the formation of additional exposed surfaces, while in the center of the face form trapezoidal cuts formed zryvaniem horizontal drilling two adjacent rows to form the exposed surfaces, and crushing the marginal zones slaughter carried poryadnym blasting equally spaced drill holes in them. 2. Способ взрывной отбойки в подземных очистных забоях камер по п.1, отличающийся тем, что между каждой парой шпуров приконтурных зон размещен, по меньшей мере, один незаряжаемый шпур.2. The method of explosive blasting in the underground faces of the chambers according to claim 1, characterized in that at least one non-rechargeable borehole is placed between each pair of boreholes of the contour zones.
RU2002120386/03A 2002-07-29 2002-07-29 Method for explosive breaking in pit-faces of underground purifying enclosures RU2225509C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002120386/03A RU2225509C1 (en) 2002-07-29 2002-07-29 Method for explosive breaking in pit-faces of underground purifying enclosures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002120386/03A RU2225509C1 (en) 2002-07-29 2002-07-29 Method for explosive breaking in pit-faces of underground purifying enclosures

Publications (2)

Publication Number Publication Date
RU2002120386A true RU2002120386A (en) 2004-01-20
RU2225509C1 RU2225509C1 (en) 2004-03-10

Family

ID=32390597

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002120386/03A RU2225509C1 (en) 2002-07-29 2002-07-29 Method for explosive breaking in pit-faces of underground purifying enclosures

Country Status (1)

Country Link
RU (1) RU2225509C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2646152C2 (en) * 2016-04-04 2018-03-01 федеральное государственное бюджетное образовательное учреждение высшего образования "Кузбасский государственный технический университет имени Т.Ф. Горбачева" (КузГТУ) System for explosive blasting of bump hazard rocks
CN110595305B (en) * 2019-08-08 2021-07-30 中铁二局第二工程有限公司 Wave crest uncorrelated detonation method

Also Published As

Publication number Publication date
RU2225509C1 (en) 2004-03-10

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Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20170730